1. an expectation that is unreasonably high or excessive; the act of expecting too much
Usage: typically uncountable when referring to the general condition; countable when referring to specific instances

Examples

• The overexpectation placed on the new employee led to disappointment when she needed time to learn the role.
• Parents sometimes struggle with overexpectation regarding their children's academic performance.
• The movie suffered from overexpectation after months of hype and marketing.
• Setting overexpectation for yourself can damage your confidence and motivation.
• The company's overexpectation of market demand resulted in excess inventory.
• Overexpectation is a common cause of relationship conflict when partners have misaligned goals.